how to connect analog inputs, refer to
Application manual/IED application/
Analog inputs/Setting guidelines
.
10.2.3
Function block
M14956-3 v5
IEC06000280_2_en.vsd
SAPTOF
U3P*
BLOCK
BLKTRIP
TRIP
START
BLKDMAGN
FREQ
IEC06000280 V2 EN-US
Figure 129:
SAPTOF function block
10.2.4
Signals
PID-6751-INPUTSIGNALS v2
Table 141:
SAPTOF Input signals
Name
Type
Default
Description
U3P
GROUP
SIGNAL
-
Three phase group signal for voltage inputs
BLOCK
BOOLEAN
0
Block of function
BLKTRIP
BOOLEAN
0
Blocking operate output
PID-6751-OUTPUTSIGNALS v2
Table 142:
SAPTOF Output signals
Name
Type
Description
TRIP
BOOLEAN
General trip signal
START
BOOLEAN
General start signal
BLKDMAGN
BOOLEAN
Blocking indication due to low amplitude
FREQ
REAL
Measured frequency
10.2.5
Settings
PID-6751-SETTINGS v2
Table 143:
SAPTOF Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Off
On
-
-
Off
Operation Off / On
StartFrequency
35.00 - 90.00
Hz
0.01
51.20
Frequency set value
IntBlockLevel
0.0 - 100.0
%UB
1.0
50.0
Internal blocking level in % of UBase
tDelay
0.000 - 60.000
s
0.001
0.000
Operate time delay
tReset
0.000 - 60.000
s
0.001
0.000
Time delay for reset
Section 10
1MRK 505 394-UEN A
Frequency protection
274
Line differential protection RED650 2.2 IEC
Technical manual
Summary of Contents for RED650
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